This Jewelry cleaner cleans and polishes every type of jewelry including: Pearls, Opals, Silver, Gold, Diamonds, Turquoise, Jade, Emeralds, Platinum, and all types of Costume Jewelry. It polishes jewelry to the highest luster unmatched by any other jewelry cleaner. Dirt, grease, and foreign substances are gently absorbed and removed achieving an extremely bright, sparkling appearance. BEST SOLUTION will brighten and polish any COSTUME JEWELRY without causing harm to the finish. This jewelry cleaner is safe and gentle, even for skin contact. It can even polish glass and plastic surfaces, resisting fingerprints and fog for up to a week (this item is great for cleaning a pair of glasses). The BEST SOLUTION JEWELRY CLEANER is a 1 Step Cleaning Solution Process. There is no need for machines or other chemicals. All you need is cold water to rinse the jewelry pieces when you are finished.